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Cheap flights from Houston to London Heathrow Airport from £352

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 8/921:05
IAH
-
LHR
Nonstop9h 20m
British Airways
Wed 23/914:45
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 30/4£624
Sun 13/921:05
IAH
-
LHR
1 stop19h 20m
Turkish Airlines
Thu 24/918:00
LHR
-
IAH
1 stop24h 45m
Turkish Airlines
Deal found 1/5£625
Mon 20/721:10
IAH
-
LHR
Nonstop9h 15m
British Airways
Wed 30/909:10
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 3/5£626
Tue 8/921:05
IAH
-
LHR
1 stop19h 20m
Turkish Airlines
Wed 23/922:40
LHR
-
IAH
1 stop26h 30m
Turkish Airlines
Deal found 30/4£627
Wed 2/915:30
IAH
-
LHR
Nonstop9h 10m
British Airways
Wed 9/914:45
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 1/5£628
Tue 25/815:55
IAH
-
LHR
1 stop18h 40m
Virgin Atlantic
Tue 8/911:45
LHR
-
IAH
1 stop31h 30m
Virgin Atlantic
Deal found 3/5£629
Wed 28/1019:25
IAH
-
LHR
1 stop15h 15m
ITA Airways
Tue 3/1116:30
LHR
-
IAH
1 stop29h 55m
ITA Airways
Deal found 1/5£630
Wed 4/1118:25
IAH
-
LHR
1 stop15h 15m
ITA Airways
Tue 10/1116:30
LHR
-
IAH
1 stop29h 55m
ITA Airways
Deal found 4/5£631
Mon 14/920:15
IAH
-
LHR
Nonstop9h 20m
United Airlines
Wed 16/907:25
LHR
-
IAH
1 stop15h 15m
United Airlines
Deal found 1/5£631
Wed 23/907:20
IAH
-
LHR
2 stops19h 15m
Air Canada
Thu 1/1006:50
LHR
-
IAH
2 stops21h 02m
Air Canada
Deal found 1/5£632
Tue 8/916:35
IAH
-
LHR
Nonstop9h 20m
United Airlines
Tue 6/1007:25
LHR
-
IAH
1 stop15h 15m
United Airlines
Deal found 30/4£634
Wed 26/820:15
IAH
-
LHR
Nonstop9h 20m
United Airlines
Tue 1/906:55
LHR
-
IAH
1 stop15h 35m
United Airlines
Deal found 4/5£634

Find flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 May 2026.

Round-trip from

£624

One-way from

£352

Popular in

June

Cheapest in

February

Average price

£729
British Airways
  • British Airways
  • 8/9-23/9
  • Nonstop
  • 19h 50m total
  • Houston to London
Search Deals
17/8
  • 17/8
  • 2 total stops
  • 27h 35m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Houston to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 May 2026.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 13/9

16:25-07:45

Nonstop9h 20m

London Heathrow

Thu 24/9

07:30-17:50

1 stop16h 20m

£642

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 16/9

16:25-07:45

Nonstop9h 20m

London Heathrow

Mon 21/9

09:30-13:35

1 stop34h 05m

£657

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 30/9

13:00-06:25

1 stop11h 25m

London Heathrow

Fri 9/10

18:35-12:14

2 stops23h 39m

£669

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 26/8

20:15-11:35

Nonstop9h 20m

London Heathrow

Sun 6/9

07:25-16:30

1 stop15h 05m

£670

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 26/8

13:00-10:20

2 stops15h 20m

London Heathrow

Sun 6/9

08:40-21:35

2 stops18h 55m

£684

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 19/8

10:21-07:55

2 stops15h 34m

London Heathrow

Mon 24/8

06:30-17:40

2 stops17h 10m

£685

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 9/8

10:50-10:20

2 stops17h 30m

London Heathrow

Sat 22/8

06:15-16:25

2 stops16h 10m

£690

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sat 19/9

20:20-06:55

1 stop28h 35m

London Heathrow

Sat 3/10

07:30-17:50

1 stop16h 20m

£690

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 30/8

10:00-10:00

1 stop18h 00m

London Heathrow

Sun 6/9

07:25-16:30

1 stop15h 05m

£696

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 19/5

10:27-06:25

1 stop13h 58m

London Heathrow

Sun 7/6

08:55-21:43

2 stops18h 48m

£738

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 40 resultsSorted by cheapest first
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2
3
4

Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

How far ahead should I book a flight from Houston to London Heathrow Airport?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £74). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 May 2026.

When flying from Houston to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Houston to London Heathrow Airport?

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 146 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 5 May 2026.
Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as United Airlines,Virgin Atlantic, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,684 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,684 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,974 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,944 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to London Heathrow Airport?

    Departing from Houston to London Heathrow Airport will take you 9h 20m. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £298. Other airlines that can offer you cheap pricing are Lufthansa, from £345, and British Airways, from £370. These flights start at 50% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are United Airlines (£210), British Airways (£280), and Lufthansa (£298).

  • Can I find deals for flights from Houston to Heathrow that include hotel bookings?

    Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Houston to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.

  • Can I find deals for business class flights from Houston to Heathrow?

    Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £74). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Houston to Heathrow

Discover the top 4 airlines that operate flights from Houston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£298Average£496FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£345Average£482FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£370Average£601FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£385Average£613FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Houston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Houston to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Houston to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Houston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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